The man accused of ploughing his car into a group of children in NSW, killing four of them, has been hit with an additional 14 charges including being under the influence of cocaine and MDMA. Samuel Davidson was allegedly three times the legal alcohol limit when his ute allegedly mounted a kerb and struck the youngsters who were walking along Bettington Road in Oatlands to get ice-cream on February 1. Siblings Antony, 13, Angelina, 12 and Sienna, 8, were killed at the scene, along with their 11-year-old cousin Veronique Sakr. An 11-year-old boy and two girls, aged 10 and 13,...